<template>
  <div class="logReg-container">
    <el-form
      v-show="isLogin"
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="logReg-form"
      label-position="left">
      <div class="title-container">
        <h3 class="title">橙券后台管理系统</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="用户名"
          name="username"
          type="text"
          tabindex="1" />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          @keyup.enter.native="handleLogin" />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
      >登录</el-button
      >
      <div class="tips">
        <span>账号：admin123</span>
        <span style="margin-right: 20px">密码：Wdd123456</span>
        <a href="javascript:;" class="reglink" @click.prevent="isLogin = false">没有登陆点击注册?</a>
      </div>
    </el-form>
    <!-- 注册 -->
    <el-form
      v-show="!isLogin"
      ref="regForm"
      :model="regForm"
      :rules="regRules"
      class="logReg-form"
      label-position="left">
      <div class="title-container">
        <h3 class="title">橙券后台管理系统</h3>
      </div>
      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="regForm.username"
          placeholder="用户名"
          name="username"
          type="text"
          tabindex="1" />
      </el-form-item>
      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="regForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          @keyup.enter.native="handleReg" />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>
      <el-form-item prop="email">
        <span class="svg-container">
          <svg-icon icon-class="email" style="width: 1.3em; height: 1.3em" />
        </span>
        <el-input ref="email" v-model="regForm.email" placeholder="邮箱" name="email" type="text" tabindex="1" />
      </el-form-item>
      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleReg"
      >注册</el-button
      >
      <div class="tips">
        <a href="javascript:;" class="reglink" @click="isLogin = true">已经注册点击登录</a>
      </div>
    </el-form>
  </div>
</template>

<script>
import { validUsername, validPassword, validEmail } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('用户名必须为 数字+字母 6-8位'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (!validPassword(value)) {
        callback(new Error('密码必须为 数字+密码(大小写) 8-12位'))
      } else {
        callback()
      }
    }
    const validateEmail = (rule, value, callback) => {
      if (!validEmail(value)) {
        callback(new Error('请输入合法邮箱地址'))
      } else {
        callback()
      }
    }
    return {
      isLogin: true,
      loginForm: {
        username: '',
        password: ''
      },
      regForm: {
        username: '',
        password: '',
        email: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      regRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }],
        email: [{ required: true, trigger: 'blur', validator: validateEmail }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true
          this.$store
            .dispatch('user/login', this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || '/' })
              this.loading = false
            })
            .catch((e) => {
              console.log('e: ', e.response.data)
              this.loading = false
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    handleReg() {
      this.$refs.regForm.validate((valid) => {
        if (valid) {
          this.loading = true
          this.$store
            .dispatch('user/register', this.regForm)
            .then(() => {
              this.$router.push({ path: '/' })
              this.loading = false
            })
            .catch(() => {
              this.loading = false
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .logReg-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.logReg-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
.reglink {
  color: #409eff;
  text-decoration: underline;
}
.logReg-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .logReg-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
